Cutting device



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May 1926. 1,584,911

c. WxLHiTE CUTTING DEVICE Filed Sept. 8, 1924 2 Sheets-Sheet 2 CLEVELAND wlw/Te Cil Patented May 1S, 1926.

narran' TES CLEVELAND WILHITE, 0F ST. LOUS, MISSOURI, ASSIGNOR TO AMERICAN MANUFAC- rnnrne COMPANY, or s'r. Louis,

lv'IISSOURI, A CORPORATON 0F MASSACHUSETTS.

QUTTING DEVICE.

Application filed September 8, 1924. Serial No. 736,460.

This invention relates generally to cutting devices, and particularly to asimple and 1neXpensive cutting device whichmay be used to sever the strands which make up a hank of hemp. ln most cases prior to this invention hanks ot' hemp werefsevered by moving them along the cutting edge of a stationary knife ywhile exerting a downward pull on said hank ot hemp. This method was round to be slow and laborious, and have therefore devised the apparatus disclosed in the present application, which, briefly stated, comprises a reciprocatory knife with .which is associated means whereby the hemp 1s presented to the cutting edge ot' the knife in a manner to very eiiectivelysever said hemp.

With the foregoing and other' objects in view, the invention comprises the novel construction, combination and arrangement oiparts hereinafter more specifically. described and illustrated in the accompanying drawings, wherein is shown the preferred embodiment of the invention. However, it is to be understood that the invention compie hends changes, variations and modicatrons which come within the scope of the claims hereunto appended. l

Fig. I is a plan view of my improved cutting device.

`Fig. II is a side elevation of the cutting rdevice shown in Fig. I. v

lFig. III is a. view partly in elevation and partly in longitudinal vertical section of my cutting device.

Fig. 1V is a section on line IV-IV ot Fig. Hl.

l? V is a section on line VWV of F ig. IH.

Fig. VI is a section on line VI-Vl of Fig. lll. Y

F ig. yVH is an end eleva-tion ot the cutting` device withvportions thereof broken away.

ln the drawings, A designates my improved cutting device which comprises a bracketB by which the cutting mechanism ot' said cutting device is supported, said bracket preferably being secured to a wall or other stationaryl element so that the cutting inechanismwill be located at approximately the same elevation as the shoulders ot' the operator. Secured to the upper tace of the bracket B is a pair of spacedapart supporting bearings l by which is supported an elongated tube 2, said tube being provided with a slot 3 which is located at the upper side of said tube and extends from end to end thereof. The supporting bearings l are fixed to the stationary bracket B and the tube 2 is secured within said bearings in any convenient manner so that said tube is maintained in a tiXed position.

Arranged within the stationary tube 2 is a bar 4, said bar being or approximately the same diameter as the inside of the tube 2 and being capable or' reciprocating therein. The bar 4; is provided with an elongated recess 5 which is of approximately the same width as the slot 3 in the stationary tube 9., and said recess 5 registers with said slot 3 as shown in Figs. IV and VI. 6 designates a blade-retaining member which comprises a biiurcated portion 7 and a lower,relatively lthin portion 8. The blade-retaining member 6 is ot' approximately thesame length as the recess in the reciprocatory bar t, and the lower portion S of said blade-retaining mem ber extends into said recess, as shown in Figs. III, IV and VI. To iix the bladeretaining member 6 to the reciprocatory bar 4 I employ pins 9, which pass' tln'ough said bar 4i and through the lower portion 8 of the blade-retaining niember 6. Supported by the bifurcated portion 7 of the blade-retaining member 6 is a cutting blade l0, said cutting blade being secured to said blade-retaining member by means of pins 1l which pass transversely through the spaced apart legs ot the biturcatedl portion 7 ot' the bladeretaining member and through the lower portion of the blade l0. f

lt is apparent from the foregoing that the bar 4;, blade-retaining member 6 and cutting blade lO are secured together to produce a single unit, and it is also plain that if the bar 4 were reciprocated said blade-retaining member and 4said cutting blade would be reciprocated with it.

l2 designates a shaft which is supported in suitable bearings mounted on the bracket `B, said shaft 12 being caused tov rotate by any suitable means. Mounted on the shaft l2 and rigidly fixed thereto at an end thereof is a disk 13, said disk having associated with it a connecting arm la, one end of which is pivotally connected to said disk by means ot a stud bolt l5 and the other end of which is connected tothe bifurcated end portion 4 ot the bar 4 by means of a pin 16. rThe bifurcated end portion t ot' the bar 4 is in the form ot a crosshea'd, and said crosshead is lli arranged in a guideway 17, as shown clearly in Figs. Il and HI, in such manner that it will reciprocate therein.

From the foregoing it is plainthat when the disk 13 is rotated .reciprocatory motion will be imparted to the bar 4; through the operation ot' the connecting arm 1i. and as the cutting blade 1() is rigidly liXcd to said bar said blade will also be reciprocated.

Mounted on the stationary tube 2 is a member 1S which forms a part of the means by which the hemp to be cut is presented to the reciprocating knife. The member 18 comprises a split cylindrical lower portion 19 which is adapted to encircle ty ie stationary tube 2, the legs 20 of said split cylindrical portion being drawn together by clamping bolts Q1 whereby said splitcylindrical portion is caused to grip said tubn 2 to mairtain the 'n'ieinber 18 in a iixed position there! on. The member 1S also includes a wall provided with a comparatively wide inclined portion 23 and a vertical portion 'f3-1, said wall 22 being pro'videdvith the required rigidity by a. web 25 (Figs. H and Hl). Secured to the member 18 is a bowed sheet ot' material 26 which is ot approximately the same width as the wall 22 ot the meniber 18, and a portion ot said bowed sheet ot material is arranged in alineinent with the tace of the inclined portion 23 of the wall 22. The bowed sheet Q6 extends upwardly and rearwardly from thev member 1S and its function is to aid in guiding the hemp to its proper lposition to be severed.

Arranged on the stationary tube 2 is a second member QT which cooperates with the member 1S in a manner to produce a feeding device adapted to cause the hemp to be properly presented to the reciprocatory knife. The member 27 is very similar in construction to the member 18, said member 27 having a split lower portion 28 which surrounds the stationary tube Q. a comparatively wi-de wall 29 having an inclined portion 30 and a straight portion 31, and a strengthening web 3Q to give said wall the required rigidity. As already stated. the member 18 is arranged in a lined `position on the stationary tube 2, but this is not true ot the member QT, the clamping screws 33 associated with the split lower portion 2S oi said member not being tightened to the extent that said member would be rigidly lixed to the tube 2 but said member being capable ot moving longitudinally ot said tube 2. To prevent the member 2T 'trom rotating relative to the tube 2 I employ a key 34 (Figil lV and Vl) which is arranged in lcevways in the tube 2 and in the member 2T. Secured to Ahe member 1.8 is a guard which entends over the path ot' travel of the cutting blade 10. and secured to thc member 2T is a similar guard 3G which extends over the cutting blade at its outer end. The guards 35 and 35 are intended to prevent the person of the. operator from accidentally coming into contact with the reciprocating cutti blade oil the device. Extended 'from tie member 2'( t@ the outer end ot' the guard lf3 is a strip ot material 3T which serves tindual function of aiding in thc support oi said guard and acting' as a guide member tor the hemp` so that said hemp will le directed between the members 1S and 88 designates coil springs which are arranged at opposite sides ot the members 1:5` and 2T, one end of each coil .'i being` ain attached to the Fixed member and the og.'- posite end ot' said coil spring being atta-flied to the movable ymember To prei-cin hemp from beco'n'iing entangled in the coil springs 38 I employ guards Si) which are :uranged adjacent to said coil springs. as shown in Figs. IV. V, VI and Vil. lo designates a guard member which is secured to one of 'the supporting bearings 1 to prevent access to the free end oila the reciprocaA tory bar el.

In the operation ot my iniprovcd cutting V device the operator arranges the haul; ol' hemp to be severed in the approximate shape of an inverted letter U. rl"hc haal; ot hemp is then thrown over the cutting "'ce in a manner to cause the curved portion thcrczt to be located between the inclined wall portions and 30 ot' the members 1S and and the straight portions there-ot to hang downwardly atthe sides of the device. 'l'he operator then grasps the downwardly h lfm ing portions ot the hanl; ot hemp and e: f a downward pull thereon, which will cl use the member 37 to be moved away 'trom the neinber r18 and thus iermit the hemp to be drawn between the straight portions 2l and 31 ot the walls 22 and 29 ot' the members 1:5' and 2T and into contact with the reciprocating blade 10. lll/'hen the hemp has been severed. the downward pull thereon causes the portions or" said hemp to be drawn 'from the cutting device and the coil springs 21:1 will then return the n'iovable member 2T to its normal position. 3y employing the sprii'ig-controlled movable member Q7 a feeding device is provided which is sel't-ar'ljustcd and which will retain the hemp in the l'orm ota compact body while it is being severed.

I claim:

1. A cutting device comprising a reciprocatory cutting element, and means whereluf the material to be cut is guided to said reciprocatory cutting element, said means comprising a stationary portion and a movable portion and said movable portion being adapted to be moved by the material to be l cut as said material is drawn into contact with said rcciprocatory cutting element to retain said material in compact form while same is being severed.

2. A cutting device comprising a reciprollt) catory cutting element, and means whereby the material to be cut is guided to said reciprocatory cutting element, said means conr prising a fixed member having an inclined wall and a movable member having an inclined wall arranged opposite to the inclined wall oi the first mentioned member, said movable member being adapted to be moved by the material to be cut when said material is being drawn into contact with said reciprocatory cutting element to retain said material in compact form while it is being severed.

3. A cutting device comprising a reciprocatory cutting element, and means whereby the material to be cut is guided to said reciprocatory cutting element, said means comprising a fixed member having an inclined wall, a movable member having an inclined wall arranged opposite to the inclined wall of the iirst mentioned member, and means whereby said movable member is returned to its normal position after it has been moved, said movable member being adapted to be moved by the material to be cut when said material is being drawn into contact with said reciprocatory cutting element to retain said material in compact form while it is being severed.

ll. A cutting device comprising a reciprocatory cutting element, an-d means whereby the material to be cut is guided to said reciprocatory cutting element, said means comprising a fixed member having an inclined wall, a movable member having an inclined wall arranged opposite to the inclined wall of the irst mentioned member, and a coil spring adapted to return said movable member to its normal position after it has been moved, said movable member being adapted to be moved by the material to be cnt when said material is drawn between said members and to retain said material in compact form while it is being severed.

5. A cutting device comprising a stationary element, a reciprocatory cutting element, and means whereby the material to be cut is guided to said reciprocatory cutting element, said means comprising a member mounted on and rigidly fixed to said stationary element, and a second member movably mounted on said stationary element, said movable member being adapted to be moved by the material to be cut when said material is being drawn into contact with said reciprocatory cutting element to retain said material in compact form while it is being severed.

6. A cutting device comprising a stationary tubular member, a reciprocatory cutting element, and means whereby the material to be out is guarded to said reciprocatory cut ting element, said means comprising a member mounted on said stationary tubular member and having clamping means whereby it may be rigidly ixed thereto and a second member mounted on said stationary tubular member and adapted to move longitudinally thereof, said movable member being adapted to be moved by the material to be cut as it is drawn into the device and to retain said material in compact form while it is being severed.

7. A cutting device comprising a stationary tubular member, a reciprocatory cutting element, and a means whereby the material to be cut is guarded to said reciprocatory element, said means comprising a member mounted on said stationary tubular member and having clamping means whereby it may be rigidly fixed thereto and said member being provided with an inclined wall, a second member mounted on said stationary tu bular member and adapted to move longitudinally thereof, the last mentioned member being provided with an inclined wall which is arranged opposite to the inclined wall or' the first mentioned member, said movable member being adapted to be moved by the material to be cut as said material is drawn .into the device and to retain said material in compact form while it is being severed, and a coil spring associated with said movable member and adapted to return same t-o its normal position after it has been moved.

1n testimony that claim the foregoing I hereunto athx my signature.

CLEVELAND VILHXTF. 

